<table>
    <tr>
        <td colspan="3">
            <img src="something.png" />
        </td>
    </tr>
    <tr>
        <td>
            Hello
        </td>
        <td>
            World
        </td>
        <td>
            !
        </td>
    </tr>
</table>

<style>
table, table * { border:0; padding:0; margin:0 }
table td { border-top:1px dotted #000 }
</style>

<style>
table, table * { border:0; padding:0; margin:0 }
table td { border-top:1px dotted #000 }
</style>

border-collapse: separate

td {
border-right: 1px dotted #bbb;
border-left: 1px dotted #bbb;
border-bottom: 1px dotted #bbb;
border-top: none;
padding: .5em;
}

th {
border-right: 1px dotted #bbb;
border-left: 1px dotted #bbb;
border-top: 1px dotted #bbb;
border-top: 1px solid #bbb;
padding: .5em;
}

<table border="1">
    <tr>
        <th colspan="5"> DRESSES & TOPS </th>
    </tr>
    <tr>
        <td> size </td>
        <td> numerical </td>
        <td> bust </td>
        <td> waist </td>
        <td> hip< </td>
    </tr>
</table>